Duct temperature.
NYC Admin. Code § 27-821
in effect§ 27-821 Duct temperature.
The outlet duct temperature of warm air heating furnaces shall not be greater than two hundred fifty degrees Fahrenheit.
Source: City of New York, Charter, Administrative Code and Rules (American Legal Publishing XML export, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/newyorkcity/latest/NYCadmin/0-0-0-52185Fetched: 10/24/2026
